OpenTechnical

OT-2026-000102509

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, two stage ejector, pulsed blow-off after set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000102509) never changes.

Identity and time

Publication numberOT-2026-000102509 · never reused
Internal UUID01a0aea4-858a-76c6-afe6-d1320adb9a3b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:32.827355Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102509
StatusPUBLIC

Content hashes

Canonical textf377f40cd4b9d9e771fcb6b91fbaa2c81c22abd8b3b9888820ff7ffd825496d2
Markdown3a9dcf9d652ee86ed6c94ce5d4b237b4c6d7307da94b01c3321db91a64c0cd24
PDF
Publication page1a464eccc9e76a9884a9ac9646b45671ef3493bf410734570cdc7dec28f7b39e
Manifestd4c922fda16fb5e85f930823a0366470c18075f47e07acaff3a283e99715123c

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignaturevZ8BKm8b0Kzd83awOXWTn5xtvpmGDJx7xAzZN8wu8mgvSazatbI5J1p0mYGT8XiNKXAKbNvy3XLuBd8DWbYfDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:23:51.945680ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102509
observed 1a464eccc9e76a9884a9ac9646b45671...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:51.929127ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102509/manifest.json
observed d4c922fda16fb5e85f930823a0366470...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:51.908734ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102509/publication.md
observed 3a9dcf9d652ee86ed6c94ce5d4b237b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:51.887309ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102509/publication.txt
observed f377f40cd4b9d9e771fcb6b91fbaa2c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.